PPC_4xx synopsy USB driver

[Cote, Sylvain]

Hi,

I am trying the new USB dwc-otg Synopsys driver on my powerpc 405ex board.  I am using the kernel 2.6.30.3 from denx git (head 2.6.30 stable 2009-09-04 snapshot).  Previously I was using the USB driver from 2.6.25 kernel.  The driver was unstable and was only working when I enabled some debug prints.

I am moving to the new kernel to get improvement on that USB driver. However, I have some problems with it.  My problem is that probe function is never called (dwc_otg_driver_probe).  The driver init call is done and I can see the debug print "dwc_otg: version 2.60a 22-NOV-2006" but no more call (n.b. I enabled all debug print).  Initialisation is done in probe function, so, my usb dwc_otg controller is not initialized.  In theory, when module is inserted, init is called (dwc_otg_driver_init).  This init call, register the driver (platform_driver_register) and, in this registration, configured the probe function to call (dwc_otg_driver_probe).  But as I said, probe is never called.

First, in my setup, I want to use USB in host mode.

My usb-otg portion of my dts file is:

USBOTG0: usbotg at ef6c0000 {
                                    compatible = "amcc,usb-otg-405ex", "amcc,usb-otg";
                                    reg = <0xef6c0000 0x10000>;
                                    interrupt-parent = <&USBOTG0>;
                                    interrupts = <0 1 2>;
                                    #interrupt-cells = <1>;
                                    #address-cells = <0>;
                                    #size-cells = <0>;
                                    interrupt-map = </* USB-OTG */ 0 &UIC2 0x1e 4
                                                             /* HIGH-POWER */ 1 &UIC1 0x1a 8
                                                             /* DMA */ 2 &UIC0 0xc 4>;
                                    interrupt-map-mask = <0xffffffff>;
                        };

My USB potion of my kernel config (menuconfig)

Support for host-side USB -> y
USB announce new devices --> y
USB device filesystem --> y
USB device class-devices --> y
USB dynamic USB minor allocation --> y

USB mass storage support --> y

USB gadget support --> y
            Maximum VBUS power usage = 500
            Synopsys DWC OTG controller
            Synopsys DWC OTG internal DMA mode --> y
            USB gadget --> M
            gadget zero --> M
            Ethernet Gadget --> M
            RNDIS support --> y

Any help will be appreciated

Thank you,

Sylvain

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